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Holiday or observanceWeekend
Holidays in January
- New Year's DayJan 1Thu, Jan 1 · Federal
- Birthday of Martin Luther King, Jr.Jan 19Mon, Jan 19 · Federal
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 3 religious dates fall in January 2026 as well — see the calendar with every holiday.
Moon phases
Full moon
Sat, Jan 3
5:02 AM ET
Last quarter
Sat, Jan 10
10:48 AM ET
New moon
Sun, Jan 18
2:52 PM ET
First quarter
Sun, Jan 25
11:47 PM ET
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through January
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- 21
- 23
- 25
- 27
- 29
- 31
About January 2026
January 2026 has 31 days. It begins on a Thursday and ends on a Saturday, which gives the month five Thursdays, Fridays and Saturdays — and only four of every other weekday. Of its 22 weekdays, 2 are federal holidays, leaving 20 working days.